Tractor · 1952Unverified
John Deere 50
John Deere 50 — Row-Crop tractor · 31 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
31 hp
Max power
20.2 kW
Weight
2202 kg
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Row-Crop tractorReference
Built in Waterloo, Iowa, USAReference
Total built32,574 (total)Reference
Total built29,746 (gas)Reference
Total built2,097 (all-fuel)Reference
Total built731 (LP-gas)Reference
Original price was $2,011 in 1954Reference
The John Deere 50 was introduced to replace the model B. These new tractors offered a number of advancements including duplex carburetion, live Powr-Trol hydraulics, and a fully-independent PTO.Reference
Two-wheel driveReference
SteeringmanualReference
SteeringpowerReference
Expanding shoe brakesReference
Open operator station with padded seat.Reference
Engine
John Deere 3.1L 2-cyl gasolineReference
John Deere 3.1L 2-cyl all-fuelReference
John Deere 3.1L 2-cyl LP gasReference
Fuel tank58.7 LReference
Aux. fuel7.6 LReference
Belt (claimed)23.1 kWReference
Plows2Reference
Drawbar (tested)21.0 kWReference
Belt (tested)23.3 kWReference
John DeereReference
gasolineReference
2-cylinderReference
liquid-cooledReference
Displacement3.1 LReference
Bore/Stroke119 x 140 mmReference
Air cleaneroil bathReference
Rated RPM1250Reference
Firing order1-2Reference
Starter volts12Reference
Coolant capacity21.8 LReference
Coolant capacity18.0 LReference
all-fuelReference
Compression5.35:1Reference
LP gasReference
Compression8:1Reference
Belt power (max)22.6 kWReference
Max power20.2 kWReference
Belt power (max)18.5 kWReference
Max power16.7 kWReference
Belt power (max)23.3 kWReference
Max power21.0 kWReference
Transmission
6-speed unsynchronized gearReference
Typeunsynchronized gearReference
Gears6 forward and 1 reverseReference
Clutchmechanical dry discReference
PTO & Hydraulics
Typeopen centerReference
Pressure64.1 barReference
Pump flow33.7 lpmReference
Rear PTOindependentReference
Rear PTO Type540 (1.375)Reference
Dimensions
Wheelbase228 cmReference
Weight2202 kgReference
Front tire5.50-16Reference
Rear tire10-38Reference
Ag front5.50-16Reference
Ag rear10-38Reference
Length337 cmReference
Width220 cmReference
Height151 cmReference
Operating weight2202 kgReference
Ballasted weight2467 kgReference
Front tread18/28 cmReference
Rear tread142 to 223 cmReference
John Deere 50 attachments
front-end loaderReference
50 Serial Number Location
Right side of tractor frame, ahead of belt pulley.Reference
50 Serial Numbers
19525000001Reference
19535001257Reference
19545016620Reference
19555021977Reference
19565030600Reference
End5033751Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter24 cmReference
Width18 cmReference
RPM1250Reference
Speed966.22 meters/minReference
Electrical
GroundPositiveReference
Charging systemgeneratorReference
Batteries2Reference
Battery volts6Reference
Battery AH85Reference
Test results
NTTL 486: gasoline 6-speed 2WDReference
NTTL 507: tractor fuel 6-speed 2WDReference
NTTL 540: LP gas 6-speed 2WDReference
Gasoline 6-speed 2WDOctober 15 - 22, 1952Link: Nebraska Tractor Test 486 fileReference
Belt fuel use (max)10.6 l/hourReference
Drawbar performanceReference
Gear 4 used for power test.Reference
Max pull1589 kgReference
Gear 1 used for pull test.Reference
Tractor fuel 6-speed 2WDSeptember 25 - October 2, 1953Link: Nebraska Tractor Test 507 fileReference
Belt fuel use (max)9.5 l/hourReference
Gear 3 used for power test.Reference
Max pull1625 kgReference
LP gas 6-speed 2WDMay 9 - 13, 1955Link: Nebraska Tractor Test 540 fileReference
Belt fuel use (max)13.6 l/hourReference
Max pull1572 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.